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/* print.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <malloc.h>
#include <errno.h>
#include <sys/ioctl.h>
#include "apk_defines.h"
#include "apk_print.h"
int apk_progress_fd;
static int apk_screen_width = 0;
static int apk_progress_force = 1;
static const char *apk_progress_char = "#";
void apk_reset_screen_width(void)
{
apk_screen_width = 0;
apk_progress_force = 1;
}
int apk_get_screen_width(void)
{
struct winsize w;
const char *lang;
const char *progress_char;
if (apk_screen_width == 0) {
apk_screen_width = 50;
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == 0 &&
w.ws_col > 50)
apk_screen_width = w.ws_col;
}
lang = getenv("LANG");
if (lang != NULL && strstr(lang, "UTF-8") != NULL)
apk_progress_char = "\u2588";
if ((progress_char = getenv("APK_PROGRESS_CHAR")) != NULL)
apk_progress_char = progress_char;
return apk_screen_width;
}
void apk_print_progress(size_t done, size_t total)
{
static size_t last_done = 0;
static int last_bar = 0, last_percent = 0;
int bar_width;
int bar = 0;
char buf[64]; /* enough for petabytes... */
int i, percent = 0;
if (last_done == done && !apk_progress_force)
return;
if (apk_progress_fd != 0) {
i = snprintf(buf, sizeof(buf), "%zu/%zu\n", done, total);
write(apk_progress_fd, buf, i);
}
last_done = done;
if (!(apk_flags & APK_PROGRESS))
return;
bar_width = apk_get_screen_width() - 6;
if (total > 0) {
bar = muldiv(bar_width, done, total);
percent = muldiv(100, done, total);
}
if (bar == last_bar && percent == last_percent && !apk_progress_force)
return;
last_bar = bar;
last_percent = percent;
apk_progress_force = 0;
fprintf(stdout, "\e7%3i%% ", percent);
for (i = 0; i < bar; i++)
fputs(apk_progress_char, stdout);
for (; i < bar_width; i++)
fputc(' ', stdout);
fflush(stdout);
fputs("\e8\e[0K", stdout);
}
int apk_print_indented(struct apk_indent *i, apk_blob_t blob)
{
if (i->x + blob.len + 1 >= apk_get_screen_width())
i->x = printf("\n%*s" BLOB_FMT, i->indent, "", BLOB_PRINTF(blob)) - 1;
else if (i->x <= i->indent)
i->x += printf("%*s" BLOB_FMT, i->indent - i->x, "", BLOB_PRINTF(blob));
else
i->x += printf(" " BLOB_FMT, BLOB_PRINTF(blob));
apk_progress_force = 1;
return 0;
}
void apk_print_indented_words(struct apk_indent *i, const char *text)
{
apk_blob_for_each_segment(APK_BLOB_STR(text), " ",
(apk_blob_cb) apk_print_indented, i);
}
void apk_print_indented_fmt(struct apk_indent *i, const char *fmt, ...)
{
char tmp[256];
size_t n;
va_list va;
va_start(va, fmt);
n = vsnprintf(tmp, sizeof(tmp), fmt, va);
apk_print_indented(i, APK_BLOB_PTR_LEN(tmp, n));
va_end(va);
}
const char *apk_error_str(int error)
{
if (error < 0)
error = -error;
switch (error) {
case ENOKEY:
return "UNTRUSTED signature";
case EKEYREJECTED:
return "BAD signature";
case EIO:
return "IO ERROR";
case EBADMSG:
return "BAD archive";
case ENOMSG:
return "archive does not contain expected data";
case ENOPKG:
return "could not find a repo which provides this package (check repositories file and run 'apk update')";
case ECONNABORTED:
return "network connection aborted";
case ECONNREFUSED:
return "could not connect to server (check repositories file)";
case ENETUNREACH:
return "network error (check Internet connection and firewall)";
case ENXIO:
return "DNS lookup error";
case EREMOTEIO:
return "remote server returned error (try 'apk update')";
case ETIMEDOUT:
return "operation timed out";
case EAGAIN:
return "temporary error (try again later)";
case EAPKBADURL:
return "invalid URL (check your repositories file)";
case EAPKSTALEINDEX:
return "package mentioned in index not found (try 'apk update')";
default:
return strerror(error);
}
}
static void log_internal(FILE *dest, const char *prefix, const char *format, va_list va)
{
if (dest != stdout)
fflush(stdout);
if (prefix != NULL)
fprintf(dest, "%s", prefix);
vfprintf(dest, format, va);
fprintf(dest, "\n");
fflush(dest);
apk_progress_force = 1;
}
void apk_log(const char *prefix, const char *format, ...)
{
va_list va;
va_start(va, format);
log_internal(stdout, prefix, format, va);
va_end(va);
}
void apk_log_err(const char *prefix, const char *format, ...)
{
va_list va;
va_start(va, format);
log_internal(stderr, prefix, format, va);
va_end(va);
}
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